CVE intelligence and bounded remediation

CVE-2020-24055 — Verint 5620Ptz Firmware security vulnerability

Critical CVSS 9.8

Verint 5620PTZ Verint_FW_0_42 and Verint 4320 V4320_FW_0_23, and V4320_FW_0_31 units feature an autodiscovery service implemented in the binary executable '/usr/sbin/DM' that listens on port TCP 6666. The service is vulnerable to a stack buffer overflow. It is worth noting that this service does not require any authentication.

Severity
Critical
CVSS
9.8 (3.1)
Published
2020-08-21
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-787

Affected products

  • verint / 5620ptz_firmware / verint_fw_0_42
  • verint / 4320_firmware / v4320_fw_0_23
  • verint / 4320_firmware / v4320_fw_0_31

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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